NullPointerException

[lingling-fan]

//package name: com.github.pires.obd.reader //version: 2.0-RC2 //target sdk version: android-18 java.lang.RuntimeException: Unable to resume activity {com.github.pires.obd.reader/com.github.pires.obd.reader.activity.MainActivity}: java.lang.NullPointerException at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2790) at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:2819) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1298) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loop(Looper.java:137) at android.app.ActivityThread.main(ActivityThread.java:5103) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java:525) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553) at dalvik.system.NativeStart.main(Native Method) Caused by: java.lang.NullPointerException at com.github.pires.obd.reader.activity.MainActivity.onResume(MainActivity.java:385) at android.app.Instrumentation.callActivityOnResume(Instrumentation.java:1192) at android.app.Activity.performResume(Activity.java:5211) at android.app.ActivityThread.performResumeActivity(ActivityThread.java:2780)